SEPTEMBER 1, 2026
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Case File

CVE-2026-70309

MEDIUM · CVSS 5.4 EPSS 0.16%

Source: NVD + CISA KEV + EPSS · Published 2026-08-28 · Last synced 2026-09-01

CyberRota Analysis

AI-Generated

Microsoft Edge (Chromium-based) is vulnerable due to an origin validation error that permits unauthorized attackers to bypass security features over a network. This flaw could lead to potential data exposure or manipulation, making it critical for organizations using Microsoft Edge to prioritize patching and mitigation efforts. Users and administrators of this browser should assess their environments for potential exploitation risks.

CVE
CVE-2026-70309
Severity
MEDIUM
CVSS
5.4
EPSS
0.16%
Microsoft

Original NVD Description

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.

Related CVEs

Other vulnerabilities affecting the same vendor(s)